Auditory evoked potentials during isoflurane anaesthesia |
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| Authors: | J F Schmidt B Chræmmer-Jørgensen |
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| Institution: | Department of Anaesthesiology, Glostrup Hospital, University of Copenhagen, Glostrup, Denmark |
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| Abstract: | Brainstem auditory evoked potentials (BAEP) were determined in 12 volunteers. The effect of isoflurane anaesthesia on BAEP was determined in six patients. Body temperature and end-tidal CO2% were controlled. Increasing end-tidal isoflurane concentration from 0.6-2.4% increased BAEP wave I, III and V latencies. The amplitude of wave V decreased with increasing isoflurane concentration. Thus a dose-related change was demonstrated between end-tidal concentration of isoflurane and BAEP latencies. |
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| Keywords: | Brainstem auditory evoked potentials isoflurane |
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